/usr/share/php/Symfony/Component/Form/Extension/Core/DataMapper/PropertyPathMapper.php is in php-symfony-form 3.4.6+dfsg-1.
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/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Core\DataMapper;
use Symfony\Component\Form\DataMapperInterface;
use Symfony\Component\Form\Exception\UnexpectedTypeException;
use Symfony\Component\PropertyAccess\PropertyAccess;
use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
/**
* Maps arrays/objects to/from forms using property paths.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class PropertyPathMapper implements DataMapperInterface
{
private $propertyAccessor;
public function __construct(PropertyAccessorInterface $propertyAccessor = null)
{
$this->propertyAccessor = $propertyAccessor ?: PropertyAccess::createPropertyAccessor();
}
/**
* {@inheritdoc}
*/
public function mapDataToForms($data, $forms)
{
$empty = null === $data || array() === $data;
if (!$empty && !is_array($data) && !is_object($data)) {
throw new UnexpectedTypeException($data, 'object, array or empty');
}
foreach ($forms as $form) {
$propertyPath = $form->getPropertyPath();
$config = $form->getConfig();
if (!$empty && null !== $propertyPath && $config->getMapped()) {
$form->setData($this->propertyAccessor->getValue($data, $propertyPath));
} else {
$form->setData($form->getConfig()->getData());
}
}
}
/**
* {@inheritdoc}
*/
public function mapFormsToData($forms, &$data)
{
if (null === $data) {
return;
}
if (!is_array($data) && !is_object($data)) {
throw new UnexpectedTypeException($data, 'object, array or empty');
}
foreach ($forms as $form) {
$propertyPath = $form->getPropertyPath();
$config = $form->getConfig();
// Write-back is disabled if the form is not synchronized (transformation failed),
// if the form was not submitted and if the form is disabled (modification not allowed)
if (null !== $propertyPath && $config->getMapped() && $form->isSubmitted() && $form->isSynchronized() && !$form->isDisabled()) {
// If the field is of type DateTime and the data is the same skip the update to
// keep the original object hash
if ($form->getData() instanceof \DateTime && $form->getData() == $this->propertyAccessor->getValue($data, $propertyPath)) {
continue;
}
// If the data is identical to the value in $data, we are
// dealing with a reference
if (!is_object($data) || !$config->getByReference() || $form->getData() !== $this->propertyAccessor->getValue($data, $propertyPath)) {
$this->propertyAccessor->setValue($data, $propertyPath, $form->getData());
}
}
}
}
}
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